If you want to change color click see inside. click on the agar sprite. go into costumes and change the balls color using the paint bucket tool. Its really the same thing for name just click see inside. select the name costume. then go into costumes and change the text to what you want.
Credit to The original agar.io creator. And the youtube channel "Hackingtons Video Series" (https://www.youtube.com/channel/UCZm9lZj5tnybywdAsfI6GHw) for making a tutorial of how to make agar.io in scratch. (https://www.youtube.com/watch?v=1PUz1QKCtPM)
